
#include "delay.h"
#include "printf.h"
#include <stdbool.h>
#include <stdio.h>
#include <stm32f10x.h> // Device header

int main() {

    delay_init();
    printf_init(9600);

    while (true) {
        printf("delay 8s to run.\r\n");
        //delay_1s();
		delay_s(8);
    }

    return 0;
}
